Subject: Re: umountall order switchable ?
To: Jaromir Dolecek <email@example.com>
From: Gary Duzan <firstname.lastname@example.org>
Date: 10/02/1999 14:00:30
Is the problem you are seeing like the one I reported w.r.t.
unionfs in kern/8209?
Gary D. Duzan
In Message <199910010729.JAA00317@jdolecek.per4mance.cz> ,
Jaromir Dolecek <email@example.com> wrote:
=>The current order of unmounting in vfs_unmountall() is that
=>volumes are unmounted in opposite order they were mounted, i.e.
=>leaves are umounted first. While playing with fs staff, I got
=>many times to the sitation when this order is not very comfortable.
=>My test volume is normally the last one mounted and when
=>it's locked up, the kernel never gets to umount other volumes.
=>It would be cool if the order in which vfs_umountall() umounts
=>volumes would be switchable. I though about some simple vfs.umountall_lifo
=>sysctl flag, default on. Do you think such thing would be usable ?
=>Jaromir Dolecek <jdolecek@NetBSD.org> http://www.ics.muni.cz/~dolecek/
=>"The only way how to get rid temptation is to yield to it." -- Oscar Wilde